991 Thrust Transmitter Bently Nevada | 991-06-70-03-01

Overview

The Bently Nevada 991-06-70-03-01 vibration transmitter detects axial movement in heavy machinery with a 3300 NSv probe. It delivers a 4–20 mA signal and meets CSA Division 2 safety standards. Built for harsh industrial environments, this model combines DIN rail clips and screws for flexible installation.

Key Innovations

• 📌 Dual Security: DIN rail clips + screw lock (-03)
• 📌 Hazard Zone Certified: CSA Division 2 (-01)
• 📌 Microsecond Alerts: Faults trigger <3.6 mA in 100 µs

Model Code Structure (991-06-70-03-01)

• ├─ -06 → ±0.6 mm range (±24 mils)
• ├─ -70 → 7 m system cable (23 ft)
• ├─ -03 → DIN rail + screw hybrid mount
• └─ -01 → CSA Division 2 approval

Precision Performance

• ▸ Measurement Range: 0.25–1.65 mm (Prox Out)
• ▸ Frequency Response: 10 Hz to 1 kHz (±3 dB)
• ▸ EMC Compliance: EN 61326-1:2013
• ▸ Ingress Protection: IP67 (dust/water resistant)

Technical Specifications

• Power: +12–35 Vdc (2-wire)
• Accuracy: ±1.5% of full scale
• Operating Temp: -35°C to +85°C (-31°F to +185°F)
• Shock Survival: 50 g, 11 ms (IEC 60068-2-27)
• Signal Recovery: 0.1 sec after fault clear
• Cable Capacity: 1,000 Ω @ 35 Vdc

Certifications & Applications

• ✔️ Explosion-proof for Zone 2/22 areas
• ✔️ Chemical processing & turbine monitoring
• ✔️ 100% tested for humidity (non-condensing)

For more detailed information:991 Thrust Transmitter Datasheet